What time period in Philosophy focuses on reasoning and examination of all the answers accumulated from religious and non-religious perspectives?

One goal of Philosophy is to open a person to new possibilities. What do we call this characteristic of a person that even exposed to such possibilities, remain steadfast and closed to new things?

Choose if the argument is valid or invalid.

If we add 2 to 5, then we get seven.

We get seven as an answer in a math problem.

Therefore, the math problem is 2 + 5.

Choose if the argument is valid or invalid.

All dogs are mammals.

Husky and Corgi are considered breeds of dogs.

Therefore, Husky and Corgi are mammals.

Choose if the argument is valid or invalid.

If someone opened the Aircon, then the room will eventually be cold.

It is cold in the room.

Therefore, someone must have opened the Aircon.

Choose what premise makes the argument unsound.

All whales are mammals.

Killer whale is a whale.

Therefore, killer whale is a mammal.

Choose what premise makes the argument unsound.

Cows are insects.

Insects can be found in farms.

Therefore, cows can be found in farms.

Choose what premise makes the argument unsound.

All men are mortal.

Socrates is a man.

Therefore, Socrates is mortal.

Choose what premise makes the argument unsound.

All roses are flowers.

All daisies are flowers.

Therefore, all daisies are roses.